diff --git a/Dockerfile b/Dockerfile
index 82ee12e..23091c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN sudo mv /tmp/protoc-gen-grpc-web /usr/local/bin/ && sudo chmod u+x /usr/loca
 # deps for node.js
 RUN curl -fsSL https://deb.nodesource.com/setup_15.x | bash -
 RUN apt-get install -y nodejs
-RUN npm install -g grpc-tools
+RUN npm install -g protoc-gen-grpc
 
 # compile build tool and put it into path
 ADD . /root/cs3apis-build
diff --git a/README.md b/README.md
index 404590d..41336bc 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,22 @@
 # cs3apis-build
 Docker image to build the CS3APIS
+
+## Development
+See the [cs3apis local compiliation instructions](https://github.com/cs3org/cs3apis#local-compilation) and the
+[cs3apis Makefile](https://github.com/cs3org/cs3apis/blob/main/Makefile)
+for pointers on how to run and test the code in this repo on your local machine.
+
+So for instance:
+```sh
+git clone https://github.com/cs3org/cs3apis-build
+cd cs3apis-build
+// make your changes in how e.g. `cs3apis-build -build-js` works
+docker build -t cs3apis-build .
+cd ..
+git clone https://github.com/cs3org/cs3apis
+cd cs3apis
+docker run -v `pwd`:/root/cs3apis cs3apis-build cs3apis-build -build-js
+cd build/js-cs3apis
+git status
+// see the result
+```
diff --git a/build.go b/build.go
index 678bbac..c615862 100644
--- a/build.go
+++ b/build.go
@@ -439,21 +439,20 @@ func buildNode() {
 		checkout(protoBranch, "build/node-cs3apis")
 	}
 
-	nodeProtocPlugin, err := exec.LookPath("grpc_tools_node_protoc_plugin")
-
-	if err != nil {
-		panic(fmt.Sprintf("grpc_tools_node_protoc_plugin binary not found in PATH: %v\n", err))
-	}
-
 	// remove leftovers (existing defs)
 	os.RemoveAll("build/node-cs3apis/cs3")
 
 	files := findProtos()
 
-	args := []string{"--js_out=import_style=commonjs,binary:./build/node-cs3apis", "--grpc_out=./build/node-cs3apis/", "--plugin=protoc-gen-grpc=" + nodeProtocPlugin}
-	args = append(args, files...)
-	cmd := exec.Command("grpc_tools_node_protoc", args...)
-	run(cmd)
+	args1 := []string{"--ts_out=grpc_js:./build/node-cs3apis"} //, "--proto_path ."}
+	args1 = append(args1, files...)
+	cmd1 := exec.Command("protoc-gen-grpc-ts", args1...)
+	run(cmd1)
+
+	args2 := []string{"--js_out=import_style=commonjs,binary:./build/node-cs3apis", "--grpc_out=grpc_js:./build/node-cs3apis/"} //, "--proto_path ."}
+	args2 = append(args2, files...)
+	cmd2 := exec.Command("protoc-gen-grpc", args2...)
+	run(cmd2)
 
 	// get proto repo commit id
 	hash := getCommitID(".")